WESTLAKE CORP — Director's Dealing 2017

Aug 17, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: WESTLAKE CHEMICAL CORP (WLK)
CIK: 0001262823
Period of Report: 2017-08-17

Reporting Person: RILEY H JOHN JR (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-08-17	Common Stock	M	1003	—	Acquired	20692	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-08-17	Restricted Stock Units	$	M	1003	Disposed		Common Stock (1003)	Direct

Footnotes

F1: Restricted stock units convert into Issuer's common stock on an one-for-one basis.

F2: On August 17, 2016, the reporting person was granted 3,009 restricted stock units vesting in three equal installments beginning on the first anniversary of the grant date.